CN210845550U - Tar residue preseparator with centrifugal separation function - Google Patents
Tar residue preseparator with centrifugal separation function Download PDFInfo
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- CN210845550U CN210845550U CN201921627310.0U CN201921627310U CN210845550U CN 210845550 U CN210845550 U CN 210845550U CN 201921627310 U CN201921627310 U CN 201921627310U CN 210845550 U CN210845550 U CN 210845550U
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Abstract
The utility model relates to a tar residue preseparator with centrifugal separation function, which comprises an outer cylinder, an inner cylinder and a screen; the outer cylinder body and the inner cylinder body are coaxially sleeved together, and an annular channel is formed between the outer cylinder body and the inner cylinder body; a tar ammonia water inlet is tangentially arranged on one side of the top of the outer cylinder body and communicated with the top of the annular channel; one side of the bottom of the inner barrel is provided with a tar ammonia water screening opening, the tar ammonia water screening opening is in a horn mouth shape, two ends of the tar ammonia water screening opening are respectively connected with the barrel wall of the outer barrel, and a screen is arranged at the tar ammonia water screening opening; the top of the inner cylinder body extends out of the outer cylinder body and is provided with a tar ammonia water outlet; the lower part of the outer cylinder body is a cone-shaped tar slag bin, and the bottom of the tar slag bin is provided with a slag discharge port. The utility model discloses can effectively improve the tar sediment separation efficiency in the tar ammonia water under the same condition of equipment looks volume, and equipment structure is simple, and the installation is maintained conveniently, and is energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a tar ammonia water separation technical field especially relates to a tar sediment preseparator with centrifugal separation function.
Background
In the production process of a coke oven of a coking enterprise, tar residues formed by coal dust, coke powder, free carbon generated by pyrolysis at the top of a coking chamber and porous substances brought in when a riser and a gas collecting pipe are cleaned need to be removed in a tar-ammonia water separation unit so as to avoid or reduce the blockage phenomenon of the tar-ammonia water separation unit on subsequent equipment.
A pre-deslagging device commonly used in a tar-ammonia water separation unit comprises a mechanical slag scraping groove and a tar residue pre-separator, and is mainly used for separating coarse tar residues (the particle size is larger than 8mm) in tar-ammonia water. The tar residue preseparator has the advantages of simple equipment structure, small occupied area, better operation environment than a mechanical residue scraping groove, simple and convenient maintenance and the like. The common tar residue preseparator mainly comprises a cylinder body and a filter screen. The tar ammonia water from the gas collecting pipe enters the preseparator cylinder body from the inlet, the components smaller than the diameter of the sieve mesh (usually 8mm) flow out from the outlet pipe after being directly screened by the filter sieve, and the components larger than the diameter of the sieve mesh fall into the conical bottom at the bottom of the equipment and are discharged through the slag discharge hole. Due to the small volume of the cylinder (usually 35 m)3Below), resulting in very short retention time of tar ammonia water in the cylinder, limited slag screening effect, and often causing the blockage of subsequent separation equipment.
Disclosure of Invention
The utility model provides a tar sediment preseparator with centrifugal separation function can effectively improve the tar sediment separation efficiency in tar ammonia water under the same condition of equipment looks volume, and equipment structure is simple, and the installation is maintained conveniently, and is energy-concerving and environment-protective.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tar residue preseparator with centrifugal separation function comprises an outer cylinder, an inner cylinder and a screen; the outer cylinder body and the inner cylinder body are coaxially sleeved together, and an annular channel is formed between the outer cylinder body and the inner cylinder body; a tar ammonia water inlet is tangentially arranged on one side of the top of the outer cylinder body and communicated with the top of the annular channel; one side of the bottom of the inner barrel is provided with a tar ammonia water screening opening, the tar ammonia water screening opening is in a horn mouth shape, two ends of the tar ammonia water screening opening are respectively connected with the barrel wall of the outer barrel, and a screen is arranged at the tar ammonia water screening opening; the top of the inner cylinder body extends out of the outer cylinder body and is provided with a tar ammonia water outlet; the lower part of the outer cylinder body is a cone-shaped tar slag bin, and the bottom of the tar slag bin is provided with a slag discharge port.
The upper portion of outer barrel is cylindrical barrel, and the top surface of cylindrical barrel passes through the roof and seals, and the through-hole is seted up in the roof middle part and supplies interior barrel to wear out.
The inner cylinder body consists of a bottom 90-degree bent pipe section, a straight cylinder body, a top 90-degree bent pipe section and a horizontal pipe section which are sequentially connected, and the straight cylinder body is arranged in the cylindrical cylinder body of the outer cylinder body; an opening at one end of a bottom 90-degree bent pipe section is connected with an opening at the bottom of a straight section cylinder, and 2 guide plates are arranged at an opening at the other end to form a horn-shaped tar ammonia water screening opening; one end of the guide plate is connected with a 90-degree bend section at the bottom, the contact line of the guide plate and the bend section is positioned on the axial splitting surface of the inner cylinder body, the other end of the guide plate extends outwards and is connected with the cylinder wall of the outer cylinder body, and the screen is arranged between the extending ends of the 2 guide plates; the top 90-degree bent pipe section is positioned outside the outer cylinder body, an opening at one end of the bent pipe section is connected with an opening at the top of the straight cylinder body, an opening at the other end of the bent pipe section is connected with one end of the horizontal pipe section, and a tar ammonia water outlet is formed in the bottom of the other end of the horizontal pipe section.
The outer cylinder, the inner cylinder and the screen are made of carbon steel, stainless steel or titanium plates.
The screen mesh is detachably connected with the guide plate, and the size of the screen mesh is 1-20 mm.
The included angle of 2 guide plates corresponding to one side of the screen is 90-150 degrees.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the tar residue preseparator adopts an integrally closed structure, and compared with a mechanical residue scraping groove, the tar residue preseparator has no overflowed gas and is more environment-friendly in operating environment;
2) the design of the inner and outer double-layer cylinders is adopted, the limited space in the equipment is fully utilized, the rotary descending path of the tar ammonia water in the equipment is increased, and the tar residue separation efficiency is improved;
3) the tar ammonia water enters the equipment along the tangential direction and descends in the annular channel between the inner cylinder and the outer cylinder in a rotating way, and the generated centrifugal force is favorable for separating tar residues in the tar ammonia water, so that the separation efficiency is further improved;
4) the inner cylinder body and the outer cylinder body are separated by a replaceable screen, and slag materials with diameters larger than the screen holes can be effectively screened, fall into a tar slag bin at the bottom of the device and then are discharged;
5) extra power consumption is not needed, and the energy-saving characteristic is achieved;
6) the tar residue preseparator has the advantages of simple structure, good separation effect and easy installation and maintenance.
Drawings
FIG. 1 is a front view of a tar residue preseparator with centrifugal separation function according to the present invention.
Fig. 2 is a top view of fig. 1.
In the figure: 1. outer cylinder 2, inner cylinder 3, screen 4, deflector 5, tar residue
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, the tar residue preseparator with centrifugal separation function of the present invention comprises an outer cylinder 1, an inner cylinder 2 and a screen 3; the outer cylinder body 1 and the inner cylinder body 2 are coaxially sleeved together, and an annular channel is formed between the outer cylinder body 1 and the inner cylinder body 2; a tar ammonia water inlet is tangentially arranged on one side of the top of the outer cylinder body 1 and communicated with the top of the annular channel; one side of the bottom of the inner cylinder body 2 is provided with a tar ammonia water screening opening, the tar ammonia water screening opening is in a horn mouth shape, two ends of the tar ammonia water screening opening are respectively connected with the cylinder wall of the outer cylinder body 1, and a screen 3 is arranged at the tar ammonia water screening opening; the top of the inner cylinder body 2 extends out of the outer cylinder body 1 and is provided with a tar ammonia water outlet; the lower part of the outer cylinder body 1 is a cone-shaped tar slag bin, and the bottom of the tar slag bin is provided with a slag discharge port.
The upper portion of outer barrel 1 is cylindrical barrel, and the top surface of cylindrical barrel passes through the roof and seals, and the through-hole is seted up in the roof middle part and is supplied interior barrel 2 to wear out.
As shown in fig. 1 and 2, the inner cylinder 2 is composed of a bottom 90 ° bend section, a straight cylinder, a top 90 ° bend section and a horizontal pipe section which are connected in sequence, and the straight cylinder is arranged in the cylindrical cylinder of the outer cylinder 1; an opening at one end of a bottom 90-degree bent pipe section is connected with an opening at the bottom of a straight section cylinder, and 2 guide plates 4 are arranged at an opening at the other end to form a horn-shaped tar ammonia water screening opening; one end of the guide plate 4 is connected with a 90-degree bend section at the bottom, the contact line of the guide plate and the bend section is positioned on the axial splitting surface of the inner cylinder body 2, the other end of the guide plate 4 extends outwards and is connected with the cylinder wall of the outer cylinder body 1, and the screen 3 is arranged between the extending ends of the 2 guide plates 4; the top 90-degree bent pipe section is positioned outside the outer cylinder body 1, an opening at one end of the bent pipe section is connected with an opening at the top of the straight cylinder body, an opening at the other end of the bent pipe section is connected with one end of the horizontal pipe section, and a tar ammonia water outlet is formed in the bottom of the other end of the horizontal pipe section.
The outer cylinder body 1, the inner cylinder body 2 and the screen 3 are made of carbon steel, stainless steel or titanium plates.
The screen 3 is detachably connected with the guide plate 4, and the size of the screen hole is 1-20 mm.
The included angle of 2 guide plates 4 corresponding to one side of the screen 3 is 90-150 degrees.
Adopt the utility model a tar sediment separation method of tar sediment preseparator, include: the tar-ammonia water mixture containing tar residues 5 enters the tar residue pre-separator from a tar-ammonia water inlet along the tangential direction, then rotates and descends along an annular channel between the outer barrel 1 and the inner barrel 2, in the process, the small-diameter tar residues gradually collide, gather and adhere to form large-diameter tar residues, and migrate to one side of the barrel wall of the outer barrel 1 along the radial direction under the action of centrifugal force and finally fall into a tar residue bin at the bottom under the action of gravity; the tar ammonia water is screened by a screen 3 at the bottom of the inner cylinder 2 and then enters the inner cylinder 2, the screened tar residue 5 also falls into a tar residue bin at the bottom, and the tar residue in the tar residue bin is conveyed to a tar residue treatment system through a residue discharge port; the tar ammonia water entering the inner cylinder body 2 flows from bottom to top and is finally conveyed to the tar ammonia water separation system through a tar ammonia water outlet.
Effect verification: under the condition that the processing raw materials composition is the same, weigh the tar sediment extraction volume of row's cinder notch through the weighing method, it is right the utility model tar sediment preseparator and conventional tar sediment preseparator's separation effect contrast. From the test result, adopt the tar residue preseparator back, the tar residue extraction volume is than the tar residue extraction volume height 20% ~ 30% of conventional tar residue preseparator.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A tar residue preseparator with centrifugal separation function is characterized by comprising an outer cylinder, an inner cylinder and a screen; the outer cylinder body and the inner cylinder body are coaxially sleeved together, and an annular channel is formed between the outer cylinder body and the inner cylinder body; a tar ammonia water inlet is tangentially arranged on one side of the top of the outer cylinder body and communicated with the top of the annular channel; one side of the bottom of the inner barrel is provided with a tar ammonia water screening opening, the tar ammonia water screening opening is in a horn mouth shape, two ends of the tar ammonia water screening opening are respectively connected with the barrel wall of the outer barrel, and a screen is arranged at the tar ammonia water screening opening; the top of the inner cylinder body extends out of the outer cylinder body and is provided with a tar ammonia water outlet; the lower part of the outer cylinder body is a cone-shaped tar slag bin, and the bottom of the tar slag bin is provided with a slag discharge port.
2. The tar residue preseparator with the centrifugal separation function of claim 1, wherein the upper part of the outer cylinder is a cylindrical cylinder, the top surface of the cylindrical cylinder is sealed by a top plate, and a through hole is arranged in the middle of the top plate for the inner cylinder to penetrate out.
3. The tar residue preseparator with centrifugal separation function according to claim 1, wherein the inner cylinder body is composed of a bottom 90 ° bend section, a straight cylinder body, a top 90 ° bend section and a horizontal pipe section which are connected in sequence, and the straight cylinder body is arranged in the cylindrical cylinder body of the outer cylinder body; an opening at one end of a bottom 90-degree bent pipe section is connected with an opening at the bottom of a straight section cylinder, and 2 guide plates are arranged at an opening at the other end to form a horn-shaped tar ammonia water screening opening; one end of the guide plate is connected with a 90-degree bend section at the bottom, the contact line of the guide plate and the bend section is positioned on the axial splitting surface of the inner cylinder body, the other end of the guide plate extends outwards and is connected with the cylinder wall of the outer cylinder body, and the screen is arranged between the extending ends of the 2 guide plates; the top 90-degree bent pipe section is positioned outside the outer cylinder body, an opening at one end of the bent pipe section is connected with an opening at the top of the straight cylinder body, an opening at the other end of the bent pipe section is connected with one end of the horizontal pipe section, and a tar ammonia water outlet is formed in the bottom of the other end of the horizontal pipe section.
4. The tar residue preseparator with centrifugal separation function according to claim 1 or 3, wherein the outer cylinder, the inner cylinder and the screen are made of carbon steel, stainless steel or titanium plate.
5. The tar residue preseparator with centrifugal separation function according to claim 3, wherein the screen mesh is detachably connected with a 90-degree bend section at the bottom of the inner cylinder body, and the size of the screen mesh is 1 mm-20 mm.
6. The tar residue preseparator with centrifugal separation function of claim 3, wherein the included angle of the 2 guide plates corresponding to one side of the screen is 90-150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921627310.0U CN210845550U (en) | 2019-09-27 | 2019-09-27 | Tar residue preseparator with centrifugal separation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921627310.0U CN210845550U (en) | 2019-09-27 | 2019-09-27 | Tar residue preseparator with centrifugal separation function |
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| CN210845550U true CN210845550U (en) | 2020-06-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523137A (en) * | 2019-09-27 | 2019-12-03 | 中冶焦耐(大连)工程技术有限公司 | Tar slag preseparator and tar slag separation method with function of centrifugal separation |
-
2019
- 2019-09-27 CN CN201921627310.0U patent/CN210845550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523137A (en) * | 2019-09-27 | 2019-12-03 | 中冶焦耐(大连)工程技术有限公司 | Tar slag preseparator and tar slag separation method with function of centrifugal separation |
| CN110523137B (en) * | 2019-09-27 | 2023-06-20 | 中冶焦耐(大连)工程技术有限公司 | Tar residue preseparator with centrifugal separation function and tar residue separation method |
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